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ARM Cortex M3 Core Embedded Processors & Controllers

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Core = ARM Cortex M3

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	Mounting Style	Package / Case	Core	Number of I/Os	Data Bus Width	ADC Resolution
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, MCD, USB, 2xOp STM32L151VET6 STMicroelectronics 1: $18.29 10,621On Order	Mfr. Part # STM32L151VET6 Mouser Part # 511-STM32L151VET6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 512 Kbytes of Flash 32 MHz CPU, MCD, USB, 2xOp Learn More about STMicroelectronics stm32l1	Datasheet	10,621On Order On Order Ship Dates Mfr. #: STM32L151VET6 Stock: 0 On Order: 3,601 Expected 2027-11-03 7,020 TBD Factory Lead-Time: 52 Weeks	$18.29 $13.36 $12.30 $11.45	Min.: 1 Mult.: 1		SMD/SMT	LQFP-100	ARM Cortex M3	83 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP CY8C5868LTI-LP039 Infineon Technologies 1: $42.32 980On Order	Mfr. Part # CY8C5868LTI-LP039 Mouser Part # 727-CY8C5868LTILP039	Infineon Technologies	ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	980On Order On Order Ship Dates Mfr. #: CY8C5868LTI-LP039 Stock: 0 On Order: 460 Pending 520 Expected 2026-12-03 Factory Lead-Time: 18 Weeks	$42.32 $34.11 $30.82 $29.68 View $28.67 $27.66 Quote	Min.: 1 Mult.: 1		SMD/SMT	QFN-68	ARM Cortex M3	48 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP CY8C5888AXI-LP096 Infineon Technologies 1: $47.56 3,776Expected 2027-08-12	Mfr. Part # CY8C5888AXI-LP096 Mouser Part # 727-CY8C5888AXILP096	Infineon Technologies	ARM Microcontrollers - MCU 256KB Flash 64KBSRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	3,776Expected 2027-08-12	$47.56 $38.46 $33.87 $32.92 View $32.53 $31.90 Quote	Min.: 1 Mult.: 1		SMD/SMT	TQFP-100	ARM Cortex M3	62 I/O	32 bit	12 bit
ARM Microcontrollers - MCU MM-LEGACY PSOC135 CY8C5888FNI-LP210T Infineon Technologies 1: $49.61 1,995On Order	Mfr. Part # CY8C5888FNI-LP210T Mouser Part # 727-CY8C5888FNIP210T	Infineon Technologies	ARM Microcontrollers - MCU MM-LEGACY PSOC135 Learn More about Infineon Technologies cypress psoc 5lp socs	Datasheet	1,995On Order	Cut Tape $49.61 $38.81 $37.07 $33.68 View Reel $31.77 $32.53 $31.81 $31.78 $31.77	Min.: 1 Mult.: 1 : 2,000		SMD/SMT	WLCSP-99	ARM Cortex M3	62 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1754FBD80,518 NXP Semiconductors 1: $18.33 1,960Expected 2026-12-21	Mfr. Part # LPC1754FBD80,518 Mouser Part # 771-LPC1754FBD80518	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core	Datasheet	1,960Expected 2026-12-21	Cut Tape $18.33 $14.46 $13.51 $12.47 View Reel $10.94 $11.97 $11.56 $10.94 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000		SMD/SMT	LQFP-80	ARM Cortex M3	52 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1778FET208K NXP Semiconductors 1: $32.76 1,260Expected 2027-01-04	Mfr. Part # LPC1778FET208K Mouser Part # 771-LPC1778FET208K	NXP Semiconductors	ARM Microcontrollers - MCU Scalable Mainstream 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core Learn More about NXP Semiconductors nxplpc1778lpc1788	Datasheet	1,260Expected 2027-01-04	$32.76 $26.47 $25.39 $22.36 View $21.27 $20.29 Quote	Min.: 1 Mult.: 1		SMD/SMT		ARM Cortex M3	165 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High Performance 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core LPC1837JET100E NXP Semiconductors 1: $33.58 3,508On Order	Mfr. Part # LPC1837JET100E Mouser Part # 771-LPC1837JET100E	NXP Semiconductors	ARM Microcontrollers - MCU High Performance 32-bit Microcontroller (MCU) based on ARM Cortex-M3 Core Learn More about NXP Semiconductors nxp lpc1830 lpc1850 lpc1857 mcus	Datasheet	3,508On Order On Order Ship Dates Mfr. #: LPC1837JET100E Stock: 0 On Order: 648 Expected 2026-12-14 1,820 Expected 2026-12-29 1,040 Expected 2027-01-18 Factory Lead-Time: 39 Weeks	$33.58 $26.21 $24.25 $22.85	Min.: 1 Mult.: 1		SMD/SMT	TFBGA-100	ARM Cortex M3	49 I/O	32 bit	2 x 10 bit
ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRLA ATSAM3A8CA-AU Microchip Technology 1: $16.20 172Expected 2026-11-16	Mfr. Part # ATSAM3A8CA-AU Mouser Part # 556-ATSAM3A8CA-AU	Microchip Technology	ARM Microcontrollers - MCU QFP100,GREEN IND TEMP, MRLA Learn More about Microchip Technology microchip sam3a mcu	Datasheet	172Expected 2026-11-16	$16.20 $14.76 $13.35	Min.: 1 Mult.: 1		SMD/SMT	LQFP-100	ARM Cortex M3	63 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Tiny Gecko MCU IC EFM32TG110F32-D-QFN24R Silicon Labs 1: $7.29 2,256Expected 2026-11-23	Mfr. Part # EFM32TG110F32-D-QFN24R Mouser Part # 634-EFM32TG110F32-DR	Silicon Labs	ARM Microcontrollers - MCU Tiny Gecko MCU IC Learn More about Silicon Labs energymicroefm32tg	Datasheet	2,256Expected 2026-11-23	Cut Tape $7.29 $5.54 $5.11 $4.64 View Reel $4.16 $4.41 $4.26 $4.22 $4.16 MouseReel Available	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	QFN-24	ARM Cortex M3	17 I/O	32 bit	12 bit
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU EFM32JG1B200F256GM48-C0 Silicon Labs 1: $8.01 2,597Expected 2027-03-12	Mfr. Part # EFM32JG1B200F256GM48-C0 Mouser Part # 634-JG1B200F25648C0	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU Learn More about Silicon Labs silabs efm32 jade gecko mcu	Datasheet	2,597Expected 2027-03-12	$8.01 $6.34 $5.72 $5.30 View $5.01 $4.84 $4.82 $4.81	Min.: 1 Mult.: 1		SMD/SMT	QFN-48	ARM Cortex M3	32 I/O	32 bit	12 bit
SoC FPGA SmartFusion2 SoC FPGA, ARM Cortex-M3, 86KLEs M2S090TS-1FG484I Microchip Technology 1: $498.24 120On Order	Mfr. Part # M2S090TS-1FG484I Mouser Part # 494-M2S090TS-1FG484I	Microchip Technology	SoC FPGA SmartFusion2 SoC FPGA, ARM Cortex-M3, 86KLEs Learn More about Microchip Technology microchip smartfusion2 fpga	Datasheet	120On Order On Order Ship Dates Mfr. #: M2S090TS-1FG484I Stock: 0 On Order: 60 Expected 2027-04-05 60 Expected 2027-05-10 Factory Lead-Time: 14 Weeks	$498.24 View Quote	Min.: 1 Mult.: 1	No	SMD/SMT	FPBGA-484	ARM Cortex M3
ARM Microcontrollers - MCU Mainstream Valueline ARM Cortex-M3 MCU STM32F100VBT7B STMicroelectronics 1: $12.08 248In Stock	Mfr. Part # STM32F100VBT7B Mouser Part # 511-STM32F100VBT7B	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Valueline ARM Cortex-M3 MCU Learn More about STMicroelectronics stm32f1	Datasheet	248In Stock	$12.08 $8.65 $7.92 $7.40 View $6.96 $6.90 Quote	Min.: 1 Mult.: 1		SMD/SMT		ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash , 120 MHz CPU, ART Accel STM32F205RGT6W STMicroelectronics 1: $29.17 44In Stock NRND	Mfr. Part # STM32F205RGT6W Mouser Part # 511-STM32F205RGT6W NRND	STMicroelectronics	ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 1 Mbyte of Flash , 120 MHz CPU, ART Accel Learn More about STMicroelectronics stm32f2	Datasheet	44In Stock	$29.17 $23.14 $21.37 $19.79 View $19.43 $18.85 Quote	Min.: 1 Mult.: 1		SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB STM32F215ZET6 STMicroelectronics 1: $22.74 127In Stock	Mfr. Part # STM32F215ZET6 Mouser Part # 511-STM32F215ZET6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 512kB Learn More about STMicroelectronics stm32f2	Datasheet	127In Stock	$22.74 $18.35 $17.18 $16.07 View $15.48 $15.24 $15.08	Min.: 1 Mult.: 1		SMD/SMT	LQFP-144	ARM Cortex M3	114 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb LCD Ultralow STM32L152RBT6 STMicroelectronics 1: $14.98 5In Stock NRND	Mfr. Part # STM32L152RBT6 Mouser Part # 511-STM32L152RBT6 NRND	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Arm Cortex M3 128kb LCD Ultralow Learn More about STMicroelectronics stm32l1	Datasheet	5In Stock	$14.98 $11.59 $10.70 $9.60 View $9.36 $9.07	Min.: 1 Mult.: 1		SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 16KB STM32F100C4T6B STMicroelectronics 1: $7.36 3,000Expected 2027-01-20	Mfr. Part # STM32F100C4T6B Mouser Part # 511-STM32F100C4T6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 48PINS 16KB Learn More about STMicroelectronics stm32f1	Datasheet	3,000Expected 2027-01-20	$7.36 $5.60 $5.05 $4.77 View $4.46 $4.45 $4.44	Min.: 1 Mult.: 1		SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT CORTEX M3 64K Flash 8KB RAM STM32F100R8H6B STMicroelectronics 1: $10.41 3,836Expected 2027-04-08	Mfr. Part # STM32F100R8H6B Mouser Part # 511-STM32F100R8H6B	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 64K Flash 8KB RAM Learn More about STMicroelectronics stm32f1	Datasheet	3,836Expected 2027-04-08	$10.41 $7.66 $7.13 $6.28 View $5.95 $5.34 $5.11 $4.97 Quote	Min.: 1 Mult.: 1		SMD/SMT		ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32-Bit ARM Cortex 64 Kbyte Value Line STM32F100R8T6BTR STMicroelectronics 1: $9.23 687Expected 2026-12-10	Mfr. Part # STM32F100R8T6BTR Mouser Part # 511-STM32F100R8T6BTR	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex 64 Kbyte Value Line Learn More about STMicroelectronics stm32f1	Datasheet	687Expected 2026-12-10	Cut Tape $9.23 $7.06 $6.32 $5.93 View Reel $5.24 $5.76 $5.26 $5.24 MouseReel Available	Min.: 1 Mult.: 1 : 1,000				ARM Cortex M3		32 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 10KB RAM 1X12 ADC STM32F101C8T6 STMicroelectronics 1: $10.57 1,312Expected 2027-09-20	Mfr. Part # STM32F101C8T6 Mouser Part # 511-STM32F101C8T6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 64KB 10KB RAM 1X12 ADC Learn More about STMicroelectronics stm32f1	Datasheet	1,312Expected 2027-09-20	$10.57 $8.09 $7.10 $6.71 View $6.38 $6.26	Min.: 1 Mult.: 1		SMD/SMT	LQFP-48	ARM Cortex M3	48 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 Access Line STM32F101CBT6TR STMicroelectronics 1: $11.88 2,398Expected 2027-09-20	Mfr. Part # STM32F101CBT6TR Mouser Part # 511-STM32F101CBT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 Access Line Learn More about STMicroelectronics stm32f1	Datasheet	2,398Expected 2027-09-20	Cut Tape $11.88 $8.29 $7.92 $6.87 View Reel $5.93 $6.57 $6.26 $5.93 $5.93 MouseReel Available	Min.: 1 Mult.: 1 : 2,400		SMD/SMT	LQFP-48	ARM Cortex M3	37 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 High-density access STM32F101RCT6TR STMicroelectronics 1: $13.59 1,998Expected 2027-04-14	Mfr. Part # STM32F101RCT6TR Mouser Part # 511-STM32F101RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 High-density access Learn More about STMicroelectronics stm32f1	Datasheet	1,998Expected 2027-04-14	Cut Tape $13.59 $10.41 $9.29 $8.63 View Reel $7.78 $8.24 $7.82 $7.78 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU STM32F101VCT6 STMicroelectronics 1: $14.63 2,157On Order	Mfr. Part # STM32F101VCT6 Mouser Part # 511-STM32F101VCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU Learn More about STMicroelectronics stm32f1	Datasheet	2,157On Order On Order Ship Dates Mfr. #: STM32F101VCT6 Stock: 0 On Order: 1,617 Expected 2026-12-01 540 Expected 2027-08-30 Factory Lead-Time: 52 Weeks	$14.63 $10.57 $9.69 $9.50 $8.99	Min.: 1 Mult.: 1		SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU ARM 32Bit Access MCU 100-Pin 256kB Flash STM32F101VCT6TR STMicroelectronics 1: $14.63 999Expected 2027-10-18	Mfr. Part # STM32F101VCT6TR Mouser Part # 511-STM32F101VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Access MCU 100-Pin 256kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	999Expected 2027-10-18	Cut Tape $14.63 $11.32 $10.04 $9.63 $8.44 Reel $8.24 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		SMD/SMT	LQFP-100	ARM Cortex M3	80 I/O	32 bit	12 bit
ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 768 Kb STM32F101VFT6 STMicroelectronics 1: $19.66 540Expected 2027-04-12	Mfr. Part # STM32F101VFT6 Mouser Part # 511-STM32F101VFT6	STMicroelectronics	ARM Microcontrollers - MCU XL-Density Access Line 32-Bit 768 Kb Learn More about STMicroelectronics stm32f1	Datasheet	540Expected 2027-04-12	$19.66 $14.83 $13.67 $13.20 $12.72	Min.: 1 Mult.: 1		SMD/SMT	LQFP-100	ARM Cortex M3	112 I/O	32 bit	12 bit
ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, m STM32F103RCT7TR STMicroelectronics 1: $16.03 1,000On Order	Mfr. Part # STM32F103RCT7TR Mouser Part # 511-STM32F103RCT7TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, m Learn More about STMicroelectronics stm32f1	Datasheet	1,000On Order	Cut Tape $16.03 $12.47 $11.53 $10.44 View Reel $9.32 $10.25 $9.53 $9.32 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		SMD/SMT	LQFP-64	ARM Cortex M3	51 I/O	32 bit	12 bit